Finding the Fourth Proportional to 52,783.64, 79,178.18 and 13,341.09
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Solution
The fourth proportional to 52,783.64, 79,178.18 and 13,341.09 is: 20,012.32
Step by Step Solution
- Step 1: Write the proportion equation
52,783.64 : 79,178.18 = 13,341.09 : x - Step 2: Convert to fraction form
52,783.64/79,178.18 = 13,341.09/x - Step 3: Cross multiply
52,783.64x = 79,178.18 × 13,341.09 - Step 4: Simplify right side
52,783.64x = 1,056,323,158.71 - Step 5: Solve for x
x = 1,056,323,158.71/52,783.64 - Step 6: Final answer
x = 20,012.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.